Cleaning brush



FIG. 1 is a left-side elevation view of a cleaning brush showing the newdesign;

FIG. 2 is a right-side elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front, top and left-side perspective view thereof;

FIG. 8 is a rear, bottom and right-side perspective view thereof;

FIG. 9 is an enlarged view of the encircled portion in FIG. 1 ; and,

FIG. 10 is an enlarged view of the encircled portion in FIG. 7 .

The broken lines depict portions of the article that form no part of theclaimed design.

CLAIM The ornamental design for a cleaning brush, as shown anddescribed.